Moving from Mac OS Extended to APFS on boot disk prior to Mac OS update
how to erase High Sierra on Mac OS Extended (Journaled) Boot disk on Mac Mini 2012 then reformat to APFS in order to install Catalina combo update?
Mac mini, macOS 10.13
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how to erase High Sierra on Mac OS Extended (Journaled) Boot disk on Mac Mini 2012 then reformat to APFS in order to install Catalina combo update?
Mac mini, macOS 10.13
What OS are you on now?
Sounds like you may have gotten a Combo Updater that requires an earlier 10.15.x version, instead of the whole Installer?
MacOS Catalina 10.15.7 - Technical Specifications
General Requirements
OS X 10.9 or later
4GB of memory
12.5GB of available storage (OS X El Capitan 10.11.5 or later)*
Some features require an Apple ID; terms apply.
Some features require a compatible internet service provider; fees may apply.
Mac Hardware Requirements
For details about your Mac model, click the Apple icon at the top left of your screen and choose About This Mac. These Mac models are compatible with macOS Catalina:
MacBook (Early 2015 or newer)
MacBook Air (Mid 2012 or newer)
MacBook Pro (Mid 2012 or newer)
Mac mini (Late 2012 or newer)
iMac (Late 2012 or newer)
iMac Pro (2017)
Mac Pro (Late 2013 or newer)
How to download macOS - Apple Support
https://apps.apple.com/gb/app/macos-catalina/id1466841314?ls=1&mt=12
How to upgrade to macOS Catalina – Apple Support
And caution on 10.15 or higher, to see which Apps will no longer work in 10.15 get Go64...
https://www.stclairsoft.com/Go64/
Yep, I believe you got this my friend...
macOS Catalina 10.15.6 Update (apple.com)
Instead of...
https://apps.apple.com/gb/app/macos-catalina/id1466841314?ls=1&mt=12
Hi, i would happily allow installer except i get “macOS 10.15.6 Update can't be installed on this disk. This volume does not meet the requirements for this update."
forum indicates that i should convert from Macos extended to AFPS, but it is greyed out in Disk Utility, presumably because it is the boot disk.
in any case, I use Time Machine as my current back up strategy. Is this likely insufficient?
Hello,
This is me.
Model Name: Mac mini (Late 2012)
Model Identifier: Macmini6,2
Processor Name: Intel Core i7
Processor Speed: 2.3 GHz
Number of Processors: 1
Total Number of Cores: 4
L2 Cache (per Core): 256 KB
L3 Cache: 6 MB
Memory: 16 GB
System Version: macOS 10.13.6 (17G14042)
Kernel Version: Darwin 17.7.0
Boot Volume: Macintosh HD
Boot Mode: Normal
I'll take a good look at your links. Many thanks.
I'd let the Installer do it.
Moving from Mac OS Extended to APFS on boot disk prior to Mac OS update